npm and error messages

node_modules/vue-loader/lib/template-compiler/url-to-require.js

@@ -0,0 +1,13 @@
+module.exports = function urlToRequire (url) {
+  // same logic as in transform-require.js
+  const firstChar = url.charAt(0)
+  if (firstChar === '.' || firstChar === '~' || firstChar === '@') {
+    if (firstChar === '~') {
+      const secondChar = url.charAt(1)
+      url = url.slice(secondChar === '/' ? 2 : 1)
+    }
+    return `require("${url}")`
+  } else {
+    return `"${url}"`
+  }
+}